May 13 - Battle of Reval: King Gustav III of Sweden sent the battlefleet to eliminate the Russian squadron wintering at Reval (Estonia), but is defeated: killing 8 Russians, 51 Swedes are killed, 250 captured, and 2 ships are sunk.

June 20 - the famous dinner at the Jefferson Residence where Thomas Jefferson, James Madison, and Alexander Hamilton decided a compromise: Madison agreed to vote for the assumption of state debts by the federal government; Hamilton agreed to vote for the capitol to be above the Potomac. ( Compromise of 1790)

June 23 - Alleged London Monster arrested in London: he later receives six years for three assaults.

July 12 - French Revolution: Civil Constitution of the Clergy is passed. This completed the destruction of the monastic orders, legislating out of existence all regular and secular chapters for either sex, abbacies and priorships.

July 14 - French Revolution: Citizens of Paris celebrate the constitutional monarchy and national reconciliation in the Fête de la Fédération.